PDF malware analysis — malicious · 5624d130663f78ab

MALICIOUS

PDF

78.6 KB Created: 2021-02-25 18:33:38 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 1a464a62710c4b1e666f29f90476a24f SHA-1: aba6f3d270cfbc8fd0ed0799cb7ab783f1eaa786 SHA-256: 5624d130663f78ababf599a080d1bfb6371ecdeac017bca3adffc28e40b8a8e8

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. The embedded URL, https://maypoin.ru/123?utm_term=sodium+content+in+taco+bell+crunchwrap+supreme, is the primary indicator of compromise, likely leading to a phishing or malware download site. The document body, though heavily obfuscated, suggests a lure related to 'Sodium content in taco bell crunchwrap supreme', likely a deceptive tactic to entice clicks.

Machine Learning

Nyx PDF Classifier malicious score 0.9998

Heuristics 4

ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
External URI info PDF_URI

PDF contains an external URL action
Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL

The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
Embedded URL info EMBEDDED_URL

One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
URL https://maypoin.ru/123?utm_term=sodium+content+in+taco+bell+crunchwrap+supreme
- https://cdn-cms.f-static.net/uploads/4464739/normal_6035aabc6e9db.pdf
- https://cdn.sqhk.co/loberutebe/mgjjadp/23870388081.pdf
- https://cdn.sqhk.co/lazujanaziri/iebMrhf/taniwopidajabokejoj.pdf
- https://cdn-cms.f-static.net/uploads/4484995/normal_60148f4d131c6.pdf
- https://static.s123-cdn-static.com/uploads/4392666/normal_5ffa4cf078ebe.pdf
- https://cdn.sqhk.co/kanemili/8jbLjdi/riddle_quiz_questions_amazon_answer.pdf
- http://bettermoneytips.com/video_helper_converter_crack5lwn2.pdf
- https://cdn-cms.f-static.net/uploads/4412391/normal_6029d3e3d7930.pdf
- https://cdn.sqhk.co/zajagatetode/geSngfd/36335534405.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- http://jiboleramar.epizy.com/lulutexotoninitu.pdf
- http://fijibiwuweze.rf.gd/vafibuwizozudogoduxilud.pdf
- http://xejuzilawa.rf.gd/gekori.pdf
- http://lufafutogixafu.rf.gd/nokia_8._1_android_one_review.pdf
- http://susesibukof.epizy.com/segavuzopegozafisedovu.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000e654.bin` `c3280762f518e969dac1a23afec905199998d4f1b0bc4363aee85c5f193662cb`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE654	5532 bytes
`font_01_sfnt_off0000f8ea.bin` `b81edc5bdfef65b862a4996d92c68fa5bd0896a2cb1926a4609ab76a1ef9d930`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF8EA	11072 bytes
`font_02_sfnt_off00011f00.bin` `b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x11F00	4324 bytes

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